U1262 On Ford vehicles of the early 2000s, U1262 is a network code meaning the SCP communication bus (the standard corporate protocol data link between modules) has a fault, often stored in the instrument cluster

Ford SCP communication bus fault

U1262 in short

On early-2000s Fords, U1262 means a fault on the SCP communication bus that links the modules, usually stored in the instrument cluster. Owners report it with intermittent no-start and a flashing anti-theft lamp, and on Windstars with ABS and brake lights. Have a technician check the data link and ABS module soon.

Ford used the SCP data link to let the instrument cluster, engine computer, ABS module and others talk. U1262 is stored when that link has a fault, and Ford bulletin summaries list it as an instrument cluster code on 2002-2004 Super Duty trucks and Excursions and on the 2004-2005 Freestar.

A Ford Mustang bulletin summary pairs U1262 and U1147 with intermittent loss of power or crank-no-start and a flashing PATS lamp, and an Explorer Sport owner reports a similar intermittent no-restart. On the Windstar, owners report U1262 stored with ABS valve codes and ABS and brake lights.

Because the ABS and brake lights can be involved, this page explains the code only and gives no repair steps. It speaks only for Ford; other makes use U1262 differently or not at all.

Pick your make

U1262 is a manufacturer-specific code: its meaning depends on who built the car.

Other makes: meaning not verified. Check with a scan tool that reads manufacturer definitions.

Most likely causes

  1. Fault on the SCP data link (wiring, connector or a module pulling it down)

    Supported by vehicle data
    Why it ranks here
    Ford bulletin summaries define U1262 as an SCP communication bus fault, and owners report intermittent loss of SCP communication.
    What would change this
    Rises if several modules lose contact together or the fault comes and goes. Falls if only one module has trouble.

  2. ABS module fault on the Windstar

    Supported by vehicle data
    Why it ranks here
    Two Windstar owners report U1262 stored with a long list of ABS codes that the Ford dealer said related to the ABS module assembly.
    What would change this
    Rises on Windstars with ABS and brake lights and the same code list. Falls on other models.
    How to test the brake system control module (abs module)

  3. Anti-theft (PATS) communication problem causing no-start

    Possible — needs testing
    Why it ranks here
    A Mustang bulletin summary and an Explorer Sport complaint link U1262 to a flashing PATS lamp and intermittent no-start, but the summaries do not state the cause.
    What would change this
    Rises if the PATS lamp flashes when the car will not start. Falls if the car starts normally and only the lights are on.

What to test first

Start at step 1. Each result tells you what it means and where to go next.

  1. Read all stored codes from every module and note whether U1262 comes with ABS codes, U1147 or U1135.

    Low riskTool: scan tool that reads all modules

    • IfABS codes such as C1185 or C1242 are stored with U1262

      It meansWindstar-type ABS module involvement is likely; a technician should test it.

      Go to step 2

    • IfU1147 or U1135 and a flashing PATS lamp

      It meansThe anti-theft and starting side is involved; a technician should check the data link and instrument cluster.

      Go to step 2

  2. Have a technician check the SCP data link wiring, connectors and module power, and look up the Ford bulletin that matches the exact model.

    Best left to a shop

    Warning:If the ABS or brake lights are on, braking may be affected; leave testing and repair to a trained technician.

Symptoms

  • ABS and brake lights on or flickering
  • Red brake light stays on or pedal feel changes Gets more serious: stop and have it checked.
  • Intermittent crank no-start with a flashing anti-theft lamp
  • Intermittent loss of power

How to fix

This is a safety-critical system, so we explain the code but don't give repair steps. Have it inspected by a qualified technician.

Parts and cost context

  • Brake system control module (ABS module):On Windstars the ABS module is named; replacement should follow a technician confirming the fault; labor varies; get a quote.

Labor varies by vehicle and shop; get a quote before you approve a repair.

Compare used part prices on PartPriceGuide

On your vehicle

Ford

  • 17956Status unverified

    DTC U1262 (SCP communication bus fault) stored in the instrument cluster

    2003–2004excursion, f-250-super-duty, f-350-super-duty · issued · NHTSA 10011174

    Describes U1262 stored in the instrument cluster. Only the NHTSA summary was read.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • 17594Status unverified

    DTC U1262 (SCP communication bus fault) stored in the instrument cluster

    2002–2004excursion, f-250-super-duty, f-350-super-duty · issued · NHTSA 10007391

    Earlier bulletin with the same wording. Only the NHTSA summary was read.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • 18340Status unverified

    Instrument cluster DTC U1262 and/or U1135

    2004–2005freestar · issued · NHTSA 10014607

    Covers instrument cluster codes U1262 and/or U1135. Only the NHTSA summary was read.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • 17868Status unverified

    Intermittent loss of power or crank no start, PATS lamp, U1147 and/or U1262

    1996–2004mustang · issued · NHTSA 10008262

    Covers intermittent loss of power or crank no start with those codes. Only the NHTSA summary was read.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • C1185ABS power relay output circuit failure (Ford)

    Same system Supported by vehicle data

    C1185 was stored with U1262 on 2001-2002 Windstars with ABS and brake lights.

  • C1242ABS left rear outlet valve circuit fault (Ford)

    Same system Supported by vehicle data

    C1242 was stored with U1262 on 2001-2002 Windstars with ABS and brake lights.

All Module network (CAN bus) communication codes

U1262 questions

Does U1262 mean the same on other makes?

Not necessarily. This page covers Ford only; we have not sourced meanings for other makes.

Sources and review

  1. NHTSA complaint ODI 10201737: 2001 Ford Windstar — NHTSA (owner complaint)
  2. NHTSA complaint ODI 10248832: 2002 Ford Windstar — NHTSA (owner complaint)
  3. Ford 17868 (NHTSA 10008262): intermittent loss of power or crank no start with PATS lamp, U1147 and/or U1262 — NHTSA (manufacturer communication)
  4. Ford 17956 (NHTSA 10011174): DTC U1262 SCP communication bus fault stored in the instrument cluster — NHTSA (manufacturer communication)
  5. Ford 17594 (NHTSA 10007391): DTC U1262 SCP communication bus fault stored in the instrument cluster — NHTSA (manufacturer communication)
  6. NHTSA complaint ODI 10122169: 2001 Ford Explorer Sport — NHTSA (owner complaint)
  7. Ford 18340 (NHTSA 10014607): instrument cluster DTC U1262 and/or U1135 — NHTSA (manufacturer communication)
Last reviewed
Written by
Saurabh K.
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